pentagon

'pentәgәn
Collins 2

英文释义

n. a government building with five sides that serves as the headquarters of the United States Department of Defense
n. the United States military establishment
n. a five-sided polygon

中文翻译

n. 五角形, 五边形
[经] 五角平台

2
Collins 星级
16,353
BNC 频率
9,191
使用频率

记忆技巧

pentagon 由前缀 penta-（表示五）和词根 gon（表示角）组成，意思是五个角的形状，通常指五边形。

例句

1. The Pentagon is the headquarters of the United States Department of Defense.
五角大楼是美国国防部的总部。
2. Many tourists visit the Pentagon to learn about its history.
许多游客参观五角大楼以了解它的历史。
3. The Pentagon has five sides, which is why it is called a pentagon.
五角大楼有五个边，这就是它被称为五角形的原因。

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